USD246519SExpiredUtility

Head phone

99
Assignee: SANSUI ELECTRIC COPriority: Aug 22, 1975Filed: Feb 23, 1976Granted: Nov 29, 1977
Est. expiryAug 22, 1995(expired)· nominal 20-yr term from priority
Inventors:Ken Kato
99
PatentIndex Score
105
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a head phone, as shown and described.

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